Dialga GX #138
SetForbidden Light
Year2018
Ungraded
$53.00+$3.00
55 sales · last Jul 10, 2026
PSA 4
$6.50
1 sales · last May 3, 2023
PSA 7
$35.00
3 sales · last Feb 2, 2023
Grade 8
$21.64
1 sales · last Sep 16, 2024
PSA 8
$28.36−$2.14
9 sales · last Jan 26, 2026
Grade 9
$26.00
3 sales · last Mar 16, 2025
PSA 9
$78.27−$10.23
30 sales · last Jul 1, 2026
CGC 9
$36.00
1 sales · last Mar 21, 2022
PSA 10
$550.00+$250.10
38 sales · last Jun 17, 2026
Dialga GX #138 price guide
Dialga GX #138 is a collectible Pokémon card from the Forbidden Light expansion (2018). Setlot tracks 141 recorded sales for this card across 9 grade tiers, 43 of them in the last 90 days. PSA 10 copies have a 90-day median of $550.00. Ungraded copies currently trade around $53.00. The top grade commands 10× the ungraded price — grading meaningfully changes what this card is worth. The highest sale on record is $839.99 (PSA 10, Jun 17, 2026). 5 listings are live right now with asks from $12.99.
Price history
Grading premium
Median graded price vs. the ungraded copy ($53.00) — a rough read on whether grading pays off.
PSA 4
0.1×
$6.50
PSA 7
0.7×
$35.00
Grade 8
0.4×
$21.64
PSA 8
0.5×
$28.36
Grade 9
0.5×
$26.00
PSA 9
1.5×
$78.27
CGC 9
0.7×
$36.00
PSA 10
10×
$550.00
Live listings
Search on eBay ↗Lowest asks per grade. Older listings may have ended — “seen” is when we last confirmed each one.
| Grade | Listing | Marketplace | Seen | Price |
|---|---|---|---|---|
| Ungraded | Dialga GX Rainbow Rare Secret Rare 138/131 Forbidden Light Gold Metal Fan Art cardshaq07 | eBay | 1mo ago | $12.99↗ |
| Dialga GX 138/131 Rainbow Rare Forbidden Light Pokemon NM unlimited_sidequests | eBay | 1mo ago | $90.45 |
Recent sales by grade· last 90 days
| Grade | Sold | Median | Range |
|---|---|---|---|
| Ungraded | 25 | $53.00 | $17.50 – $100.96 |
| PSA 9 | 8 | $78.26 | $62.40 – $150.00 |
| PSA 10 | 10 | $550.00 | $400.00 – $839.99 |
Recent sales
| Date | Grade | Title | Sold on | Price |
|---|---|---|---|---|
| Jul 10, 2026 | Ungraded | DIALGA GX 2018 POKEMON FORBIDDEN LIGHT RAINBOW SECRET RARE #138/131 Q7217-6↗ | eBay | $43.01 |
| Jul 2, 2026 | Ungraded | Dialga GX SM Forbidden Light 138/131 Secret Rare Full Art Holo English 2018 #138↗ | eBay | $81.00 |
| Jul 1, 2026 | PSA 9 | DIALGA GX 2018 POKEMON FORBIDDEN LIGHT SECRET RARE #138 PSA 9 Q0895↗ | eBay | $85.00 |
| Jun 29, 2026 | Ungraded | Dialga GX 138/131 SM - Forbidden Light Holo Secret Rare - Pack Fresh - Ungraded↗ |
![Cubone [General Mills Holo] #57](https://images.setlot.com/pokemon/pc-pokemon-forbidden-light-cubone-general-mills-holo-57.jpg?v=2)
